Home / 7,436.70-10,262.78-4,079.30

Finding the Fourth Proportional to 7,436.70, 10,262.78 and 4,079.30

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Solution

The fourth proportional to 7,436.70, 10,262.78 and 4,079.30 is: 5,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.70 : 10,262.78 = 4,079.30 : x
  2. Step 2: Convert to fraction form
    7,436.70/10,262.78 = 4,079.30/x
  3. Step 3: Cross multiply
    7,436.70x = 10,262.78 × 4,079.30
  4. Step 4: Simplify right side
    7,436.70x = 41,864,958.45
  5. Step 5: Solve for x
    x = 41,864,958.45/7,436.70
  6. Step 6: Final answer
    x = 5,629.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.